Washington earthquakes

M2.9 earthquake Olympic Peninsula, Washington

A magnitude 2.9 earthquake struck in the Olympic Peninsula, Washington on Fri, Sep 3, 1999, 12:16 AM PDT (07:16 UTC), -1 km (0 mi) below the surface.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.9 (md), micro
Local time
UTC
1999-09-03 07:16:18 UTC
Depth
-0.5 km (-0.3 mi), shallow
Epicenter
47.505° N, 123.128° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.1 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
80°
Stations used
42

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.88 km ENE of Duvall, Washington · 9881 days ago · 6 km deep · 99 km away
  2. 1.88 km SSW of Sultan, Washington · 9879 days ago · 7 km deep · 99 km away
  3. 2.85 km SSW of Shelton, Washington · 9879 days ago · 46 km deep · 37 km away
  4. 1.73 km S of Monroe, Washington · 9879 days ago · 2 km deep · 94 km away
  5. 1.633 km N of Amanda Park, Washington · 9872 days ago · 36 km deep · 63 km away
  6. 2.23 km ESE of Indianola, Washington · 9871 days ago · 22 km deep · 55 km away
  7. 2.01 km ENE of Bellevue, Washington · 9859 days ago · 6 km deep · 72 km away
  8. 1.62 km N of Gorst, Washington · 9850 days ago · -1 km deep · 32 km away
  9. 1.71 km NNE of Bothell, Washington · 9836 days ago · 27 km deep · 76 km away
  10. 1.51 km WNW of Lea Hill, Washington · 9830 days ago · 63 km deep · 73 km away

Before

  1. 1.62 km WNW of Mirrormont, Washington · 9888 days ago · 17 km deep · 83 km away
  2. 1.69 km NNE of Lake Marcel-Stillwater, Washington · 9888 days ago · 1 km deep · 100 km away
  3. 2.08 km NNE of Lake Marcel-Stillwater, Washington · 9890 days ago · 7 km deep · 99 km away
  4. 1.66 km SW of Lofall, Washington · 9890 days ago · 16 km deep · 43 km away
  5. 1.54 km E of Dash Point, Washington · 9893 days ago · 22 km deep · 61 km away
  6. 2.03 km NNW of Port Townsend, Washington · 9893 days ago · 21 km deep · 76 km away
  7. 3.120 km WSW of Brinnon, Washington · 9896 days ago · 46 km deep · 14 km away
  8. 1.95 km ENE of Bonney Lake, Washington · 9903 days ago · 8 km deep · 83 km away
  9. 1.77 km NNE of Satsop, Washington · 9904 days ago · 40 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10476278 (also filed as usp0009dz9). Read Tue, Sep 22, 2026, 8:50 PM UTC.